Lifestyle factors drive millions of cancer cases globally

Nearly 40% of cancer cases are linked to 30 modifiable lifestyle factors, according to new research. A study in Nature Medicine analyzed data from 185 countries, finding 7.1 million cancer diagnoses in 2022 were attributable to these factors, with smoking being the leading cause. The research highlights the importance of addressing factors like smoking, alcohol, and infections to prevent cancer, with lung, stomach, and cervical cancers being among the most preventable.